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I have downloaded Firefox 4 but now can't open it, get the message that it isn't supported on this archtecture

  • 3 replies
  • 58 have this problem
  • 1 view
  • Last reply by cor-el

kathals
kathals
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I have downloaded Firefox 4 but now can't open it, get the message that it isn't supported on this architecture. This is the message:

You cannot open the application “Firefox” because it is not supported on this architecture.

I have downloaded Firefox 4 but now can't open it, get the message that it isn't supported on this architecture. This is the message: You cannot open the application “Firefox” because it is not supported on this architecture.

Chosen solution

Firefox 4 doesn't run on a PowerPC Mac.

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For a Firefox 4 compatible version that runs on Mac OS X 10.4.11 or Mac OS X 10.5.8 (PPC) you can look at:

Firefox 3.6.x (Mac OS X 10.4 and later) can be found here:

Read this answer in context 👍 2

All Replies (3)

cor-el
cor-el
  • Top 25 Contributor
  • Moderator
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Chosen Solution

Firefox 4 doesn't run on a PowerPC Mac.

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For a Firefox 4 compatible version that runs on Mac OS X 10.4.11 or Mac OS X 10.5.8 (PPC) you can look at:

Firefox 3.6.x (Mac OS X 10.4 and later) can be found here:

kathals
kathals Question owner
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Thank you so very much. That was so quick, I have downloaded TenFourFox and it works well. Huzzah!

Modified by kathals

cor-el
cor-el
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You're welcome